Volcano Watch

During the past two weeks, two noteworthy earthquakes struck Kīlauea Volcanos south flank.

Life in Goma—a city of about half a million on the eastern border of the Democratic Republic of the Congo—has been particularly difficult over the...

Unless you've been sitting in a lava cave (the way we sometimes do) you should be well aware that this Sunday is the beginning of the annual Merrie...

The current eruption at Kīlauea's summit is unique in the recorded history of the volcano. Never in the past 200 years has there been a long-lived...

This past Wednesday marked the silver anniversary of Mauna Loa's most recent eruption.

When strong volcanic tremor (continuous shaking of the ground) was recorded beneath Redoubt volcano January 23 to 25, scientists of the Alaska Volcano...

It seems like only yesterday when the Hawaiian Volcano Observatory (HVO) monitored a several-week build-up in seismic tremor levels and sulfur dioxide...

As noted in Volcano Watch a few weeks ago, this month marks the 25th anniversary of Mauna Loa's most recent eruption—a 22-day event that began on...

The Island of Hawai`i, a composite of five volcanoes, has a surface area almost twice as large as the other main Hawaiian Islands combined.

When an earthquake occurs, why do we feel the ground shake? The shaking we feel is from seismic waves radiating away from the earthquake. These waves...

March 25 marks the 25th anniversary of the most recent eruption of Mauna Loa volcano.

In most sciences, processes are investigated by identifying the factors that affect them and varying each factor, in turn, to determine its...

It seems that something new and different is always cooking at Kīlauea.

By the time Babe Ruth had played baseball with the Waiakea Pirates and planted a banyan tree in Hilo in late October, 1933, enough strong earthquakes...

What's white and wet and green all over? Hint: this is a household problem that Big Island residents on rainwater catchment share with the citizens of...

Now that the 2008 Halema`uma`u eruption has ended (or is in repose), the total volume of solid material (tephra) thrown out from the new vent can be...

As we begin the New Year with Kīlauea Volcano erupting at two vents simultaneously and still going strong after its 26th anniversary on January 3, a...

This past weekend, Kohala's famed Mauna Kea Beach Hotel celebrated a "soft reopening" following repairs and renovations in the aftermath of the...

The holiday season is once more upon us, with the solstice arriving at 2:04 a.m. Hawaiian Standard Time on Sunday, December 21, and Chanukah...

How do we measure vog? Hawai`i Island and the State are getting a good dose of it so far this December. Vog is a combination of pollutants measured by...